题目内容:
:549是甲、乙、丙、丁4个数的和。如果甲数加上2,乙数减少2,丙数乘以2,丁数除以2以后,则4个数相等。求4个数各是多少?( )
A.120,124,61,244
B.121,125,60,243
C.120,123,60,246
D.122,124,60,243
参考答案:
:549是甲、乙、丙、丁4个数的和。如果甲数加上2,乙数减少2,丙数乘以2,丁数除以2以后,则4个数相等。求4个数各是多少?( )
A.120,124,61,244
B.121,125,60,243
C.120,123,60,246
D.122,124,60,243